Finding the Fourth Proportional to 277,976.34, 416,882.72 and 126,085.55

Step by Step Solution

1. Step 1: Write the proportion equation
   277,976.34 : 416,882.72 = 126,085.55 : x
2. Step 2: Convert to fraction form
   277,976.34/416,882.72 = 126,085.55/x
3. Step 3: Cross multiply
   277,976.34x = 416,882.72 × 126,085.55
4. Step 4: Simplify right side
   277,976.34x = 52,562,884,321.85
5. Step 5: Solve for x
   x = 52,562,884,321.85/277,976.34
6. Step 6: Final answer
   x = 189,091.22